Should You Get a Home Inspection on New Construction? Yes -- Here's Why

You are spending $350,000 to $600,000 or more on a brand-new home. The builder assures you everything is perfect. The paint is fresh, the appliances are gleaming, and it smells like new carpet. So why would you need a home inspection? Because new does not mean flawless. A new construction home inspection is one of the smartest investments a buyer can make -- and skipping it is one of the most common and costly mistakes in real estate today.

The Myth: "New Homes Don't Need Inspections"

It is one of the most persistent misconceptions in home buying: if the house is brand new, there is nothing to inspect. After all, the home was just built. It passed all the municipal code inspections. The builder has a warranty. What could possibly be wrong?

Quite a lot, as it turns out.

Municipal code inspections are not the same as a comprehensive home inspection. Code inspectors typically spend 15 to 30 minutes on a property and are checking for minimum code compliance -- not quality of workmanship. They are verifying that the house meets the bare minimum legal requirements, not that it was built well. A municipal inspector might check that the electrical panel is properly grounded but will not test every outlet in the house. They will confirm the roof sheathing was nailed per code but will not look for missing flashing at the chimney.

A new construction home inspection, by contrast, takes 2 to 4 hours and evaluates hundreds of components with a focus on quality, safety, and completeness. It is the difference between passing a driver's test and actually being a good driver.

How Often Do New Builds Have Defects?

The numbers are sobering. Multiple industry studies have consistently shown that new construction homes are far from defect-free:

Statistic	Finding
New homes with at least one defect	Over 80%
New homes with significant defects	25 - 33%
Average defects per new home inspection	100+ items noted
Defects requiring immediate repair	Typically 10 - 25 items
HVAC installation issues	Found in roughly 60% of new builds

According to the National Association of Certified Home Inspectors (InterNACHI), approximately one in four new construction homes has a defect significant enough to affect the home's safety, structural integrity, or long-term performance. The Construction Defect Litigation Group has reported that the cost to repair construction defects averages between $25,000 and $40,000 when left undetected until after the warranty expires.

Why are the numbers so high? The building industry is under constant pressure. Labor shortages mean less experienced workers are on job sites. Builders manage dozens of subcontractors across multiple projects simultaneously. The electrician might finish before the plumber, and neither one checks the other's work. Supervisors rotate between sites and cannot watch every nail being driven. Mistakes happen -- not out of malice, but because of the sheer complexity and pace of modern home construction.

A new house is assembled by dozens of different tradespeople over six to twelve months. No matter how good the builder is, the odds of every single one of those workers doing every single task perfectly are effectively zero.

What a New Construction Inspection Covers

A new construction home inspection examines the same major systems as a resale inspection, but the inspector's focus is different. Instead of looking for wear, aging, and deferred maintenance, the inspector is evaluating quality of installation, code compliance, and completeness.

Here is what a thorough new build inspection covers:

• Foundation and structural components -- Cracks in the foundation (yes, even new foundations can crack), proper grading and drainage away from the house, anchor bolt placement, and structural connections
• Exterior -- Siding installation, caulking and flashing, window and door seals, garage door operation, driveway grading, and exterior trim
• Roofing -- Shingle installation quality, flashing at penetrations and valleys, ridge vent installation, attic ventilation, and gutter slope
• Plumbing -- Every fixture tested for flow and drainage, water heater installation, supply line connections, drain slope, and hose bib operation
• Electrical -- Every outlet tested (GFCI and AFCI protection where required), panel wiring, proper grounding, light fixture operation, and smoke/CO detector placement
• HVAC -- System operation, ductwork connections and sealing, thermostat calibration, refrigerant line insulation, and condensate drainage
• Insulation and ventilation -- Attic insulation depth and coverage, vapor barriers, bath fan ducting (vented to exterior, not into the attic), and soffit ventilation
• Interior finishes -- Drywall quality, paint coverage, cabinet installation, countertop seams, flooring issues, and door/window operation

Phase Inspections vs. Final Walkthrough

There are two approaches to inspecting new construction, and the most thorough buyers use both.

Phase Inspections (During Construction)

Phase inspections happen at critical stages during the building process, while components are still accessible and corrections are easy. The most common phases are:

Phase	Timing	What It Catches
Foundation / Pre-Pour	Before concrete is poured	Rebar placement, form alignment, soil compaction, drainage preparation
Pre-Drywall (Framing)	After rough-ins, before drywall	Framing quality, electrical/plumbing rough-ins, HVAC ductwork, insulation, fire blocking, window flashing
Final / Pre-Closing	After completion, before closing	All finished systems, operation of everything, cosmetic issues, punch list items

The pre-drywall inspection is widely considered the single most valuable phase inspection. This is your one chance to see what is behind the walls before they are sealed up forever. Once drywall goes up, the framing, wiring, plumbing, ductwork, and insulation become invisible. A pre-drywall inspection can catch issues like improperly notched joists, missing fire blocking, disconnected duct runs, and plumbing that was routed through structural members -- all problems that would be extraordinarily expensive to fix after the walls are closed.

Final Walkthrough (The Builder's Version)

The builder will schedule a walkthrough before closing, typically with you and a construction superintendent. This is primarily a cosmetic review -- they are looking for paint touch-ups, drywall dings, cabinet adjustments, and similar items. It is useful but limited in scope. The superintendent is not going to crawl into the attic, test every outlet, or run every faucet for five minutes to check drainage.

A professional new construction home inspection conducted before or alongside the builder's walkthrough gives you a comprehensive, independent evaluation that the builder's walkthrough simply cannot match.

10 Most Common New Construction Defects

After thousands of new construction inspections across the industry, certain defects appear again and again. Here are the ten most common issues inspectors find in newly built homes:

1. Improper grading and drainage -- The number one defect in new construction. The soil around the foundation should slope away from the house at a minimum of 6 inches over the first 10 feet. Builders frequently leave the grading flat or even sloped toward the foundation, which leads to water intrusion, basement leaks, and eventually foundation damage. This is cheap to fix during construction and extremely expensive to fix later.
2. Missing or poorly installed flashing -- Flashing is the thin metal or membrane material that directs water away from joints and transitions in the building envelope. Missing flashing at roof-to-wall transitions, around windows, at deck ledger boards, and at chimney bases is alarmingly common. Without proper flashing, water penetrates the structure and causes rot, mold, and structural damage that may not become visible for years.
3. HVAC ductwork problems -- Disconnected ducts in the attic or crawl space, unsealed joints leaking conditioned air, ductwork crushed during construction, and improperly sized systems. HVAC issues are found in roughly 60% of new build inspections. You are paying to heat and cool the attic if a duct connection failed.
4. Electrical defects -- Missing GFCI protection in kitchens, bathrooms, garages, and exteriors. Missing AFCI protection in bedrooms (required since 2002 and expanded since). Reversed polarity outlets, open ground connections, and missing junction box covers. These are safety issues, not minor cosmetic concerns.
5. Plumbing leaks and improper connections -- Slow leaks at supply connections under sinks, improper drain slope, missing P-traps, and water heater installation issues (missing expansion tanks, improper TPR valve discharge lines). Some leaks may not show up for weeks or months after the home is occupied.
6. Insulation gaps and voids -- Sections of wall, attic, or crawl space with missing or compressed insulation. Gaps around electrical boxes, plumbing penetrations, and at rim joists. These voids reduce energy efficiency and can create condensation points that lead to mold growth inside wall cavities.
7. Bathroom exhaust fans vented into the attic -- Code requires bath fans to vent to the exterior. Surprisingly often, the duct is either disconnected in the attic or was never connected to an exterior termination point at all. The result is moisture being pumped directly into the attic space, promoting mold growth and wood rot on the roof sheathing.
8. Window and door installation issues -- Missing or improperly applied sealant, flashing tape not lapped correctly, windows not shimmed properly (causing operation issues), and weep holes blocked by stucco or mortar. Faulty window installation is a leading cause of water intrusion in new homes.
9. Foundation cracks -- Hairline cracks in new concrete are often normal shrinkage cracks. But wider cracks, horizontal cracks, or cracks with displacement can indicate settlement or structural issues that need evaluation. An inspector knows which cracks are cosmetic and which are concerning.
10. Cosmetic and finish defects -- Drywall imperfections, unfinished caulking, poorly adjusted cabinet doors, scratched appliances, missing hardware, and paint deficiencies. While these are the least critical items on this list, they are also the items you will live with every day. Documenting them before closing ensures the builder addresses them.

Builder's Warranty vs. Independent Inspection

Builders typically offer a warranty on new homes, often structured in tiers:

Warranty Coverage	Typical Duration	What It Covers
Workmanship & Materials	1 year	Defective workmanship and materials, cosmetic issues, minor defects
Mechanical Systems	2 years	Plumbing, electrical, HVAC, and mechanical system defects
Structural	10 years	Major structural defects (foundation, load-bearing walls, roof structure)

This looks comprehensive on paper, but there are critical limitations buyers need to understand:

• The one-year clock starts at closing, not when you find the problem. Many defects do not become apparent until months later -- a slow plumbing leak, a grading issue that only shows up during heavy rain, or an HVAC system that was never properly tested during winter. By the time you notice the issue, the one-year workmanship warranty may have expired.
• Warranty claims require documentation. Telling the builder "something is wrong with the bathroom" is far less effective than presenting a professional inspection report with photographs, descriptions, and reference to the applicable building code.
• Builders dispute warranty claims. It is in the builder's financial interest to classify issues as normal, cosmetic, or homeowner-caused. An independent inspection report from a certified inspector carries significantly more weight than a homeowner's verbal complaint.
• Some builders have arbitration clauses. Many builder contracts require disputes to go through arbitration rather than court. Having a detailed pre-closing inspection report establishes a documented baseline of the home's condition at the time of purchase.

The bottom line: a builder's warranty is not a substitute for a new construction home inspection. The warranty is reactive -- it only helps after something goes wrong. The inspection is proactive -- it identifies issues before you close, when you have maximum leverage to require corrections.

How to Find the Right Inspector for New Construction

Not every home inspector is equally qualified for new construction work. Inspecting a new build requires a different knowledge set than inspecting a 30-year-old resale home. Here is what to look for:

1. Experience with new construction specifically. Ask how many new build inspections the inspector has performed. An inspector who primarily does resale inspections may not be as familiar with current building codes, common builder shortcuts, or the specific defects that plague new construction.
2. Knowledge of current building codes. Building codes are updated on a three-year cycle (IRC 2021, IRC 2024, etc.), and adopted at different times by different jurisdictions. Your inspector needs to know which code version applies to your home and what it requires.
3. Professional certifications. Look for InterNACHI Certified Professional Inspector (CPI), Certified Master Inspector (CMI), or equivalent state-level certifications. These require demonstrated experience and ongoing education.
4. Report quality. Ask to see a sample report. A professional report for a new construction home inspection should include detailed photographs, clear descriptions of each defect, reference to the applicable code or standard when relevant, and recommended corrective action. This is the document you will present to the builder, so it needs to be professional and thorough.
5. Independence. Your inspector should have no relationship with the builder, the builder's subcontractors, or your real estate agent beyond a professional referral. The inspector works for you and only you.
6. Willingness to do phase inspections. If you are buying during the construction process, find an inspector who offers pre-drywall and pre-pour inspections in addition to the final inspection. Not all inspectors offer this service.

Cost of New Construction Inspections

A new construction home inspection is priced similarly to a standard resale inspection, with some additional options for phased inspections during the building process.

Inspection Type	Typical Cost	When It Happens
Final / Pre-Closing Inspection	$350 - $550	After construction is complete, before closing
Pre-Drywall Inspection	$250 - $400	After framing and rough-ins, before drywall
Foundation Inspection	$150 - $300	Before or shortly after the foundation pour
Full Phase Package (All Three)	$650 - $1,100	Foundation + Pre-Drywall + Final
11-Month Warranty Inspection	$350 - $500	Before the one-year warranty expires

On a $400,000 new construction home, the full phase inspection package at roughly $900 represents about 0.2% of the purchase price. To put that in perspective, a single missed grading defect that leads to foundation water intrusion can cost $10,000 to $30,000 to remediate. A disconnected HVAC duct that goes undetected wastes hundreds of dollars per year in energy costs and can cause mold issues that cost $5,000 or more to address.

Many inspectors offer a discount when you bundle all three phase inspections together. Ask about package pricing when you call.

How to Use Inspection Results with Your Builder

Getting the inspection done is step one. Using the results effectively is step two. Here is how to handle the process:

Before Closing

1. Review the report thoroughly. Go through every item with your inspector, either on-site or in a follow-up call. Understand which items are significant defects, which are minor cosmetic issues, and which are informational observations.
2. Create a categorized repair list. Separate the findings into three categories: safety/structural items that must be corrected before closing, significant defects that should be corrected before closing, and minor/cosmetic items that can be addressed after closing.
3. Present the list formally through your agent. Your real estate agent should submit the repair request to the builder in writing, with the inspection report attached. This creates a documented record.
4. Request a re-inspection. After the builder claims to have completed repairs, have your inspector return to verify the corrections were properly made. Most inspectors charge a reduced fee ($75 to $150) for a re-inspection focused on specific items.
5. Do not close until critical items are resolved. You have the most leverage before you sign. Once you close, the builder's motivation to address issues drops significantly. If the builder refuses to fix legitimate defects, consult with your attorney about your options.

After Closing

• Keep the inspection report. Store it with your closing documents. It serves as a baseline record of the home's condition.
• Submit warranty claims in writing. When new issues arise, submit them to the builder in writing with photographs. Reference the builder's warranty terms. Keep copies of everything.
• Track warranty deadlines. Set calendar reminders for the one-year and two-year warranty expirations. Schedule your 11-month warranty inspection accordingly.
• Document everything. If the builder disputes a warranty claim, your pre-closing inspection report showing the condition at the time of purchase is valuable evidence.

Frequently Asked Questions

Can the builder refuse to let me have an inspection?

No. In most states, the buyer has the right to an independent inspection. Some builders may try to restrict when and how the inspection happens, but they cannot prevent it. If a builder tells you that an inspection is unnecessary or tries to discourage you from getting one, that is a red flag, not a reassurance.

Should I get a pre-drywall inspection or a final inspection?

If you can only choose one, get the pre-drywall inspection. It catches the most consequential defects -- the ones hidden behind walls that become extremely expensive to fix later. However, the ideal approach is both: a pre-drywall inspection during construction and a final new construction home inspection before closing.

Is a new construction home inspection different from a regular inspection?

The process is similar, but the focus is different. In a new build inspection, the inspector is evaluating installation quality and code compliance rather than wear and aging. The inspector also knows that certain defects are more common in new construction (grading, flashing, duct connections) and pays special attention to those areas.

What if the builder already had the home inspected by the city?

Municipal inspections and private home inspections serve different purposes. Municipal inspectors check for minimum code compliance during brief visits. A private inspector spends 2 to 4 hours performing a comprehensive evaluation focused on quality, not just minimum standards. Studies have shown that homes passing all municipal inspections still average dozens of defects when evaluated by an independent inspector.

How do I schedule a new build inspection if the home is still under construction?

Coordinate with your builder or builder's superintendent. For phase inspections, you need to schedule at specific construction milestones. Your inspector can work with the builder's timeline -- most experienced new construction inspectors are familiar with the process and can schedule around the build phases.

Will the inspection delay my closing?

No. A new construction home inspection typically takes 2 to 4 hours and can be scheduled during the window between completion and closing. The report is usually delivered within 24 hours. Even if the inspection identifies items requiring correction, these can often be documented as a punch list and addressed without delaying closing, or closing can be delayed briefly to allow corrections -- which is far preferable to discovering the issues six months later.